About me, Contact
By iulian207My name is Berca Iulian, I am living in Leiden, The Netherlands, I followed the Politechnical University of Bucharest, Faculty of Electrical Engineering, discipline : Electric Motors and Metrology.
I had my own CNC machine, and i was able to make several motor housings. Is a lot of work behind, much more that it seems.
As a hobby i have built: electric cars , scooters, bicycles, go karts, quadrcopters ,rc airplanes etc…
I am very passionate about electric motor design, motor controllers, now i’m working to improve the brushless controller and i`m building brushless motors for: Light Airplanes, Large drones, Electric Scooters, Electric cars,boats, Pumps and many other applications.
The new motors i`m developing will bring high performance at a reasonable prices.
The motors are high performance type, due to high frequency capability of materials used, careful optimized core design, optimized winding design compared with what industry is using. By being able to design as i consider optimum, i can go in regions where big companies are behind do to old standards. In this way i will be always move faster than them, with years in advance.
My youtube channel is on http://www.youtube.com/user/iulian207?feature=mhee
Have a nice day, and remember: nothing is impossible, with enough effort.
Buna ziua,
Ai putea sa imi dai un pret pentru masina electrica Agila pe care ai facut-o?
As fi interest sa o cumpar.
Multumesc,
Ionel DINU
Salut.
Am vazut tocmai acum mesajul de pe site.
Daca mai esti interesat de masina o dau cu 2000 de euro fara baterii. 3000 de euro cu baterii cu litiu.
Autonomie aproximativ 70km
Buna ziua, am gasit , cu placuta supriza, site-ul si filmele de pe youtube. De ceva vreme caut informatii despre conversia unui smart.
Sunt foarte interesat de proiect, dar cunostintele mele tehnice nu sunt suficiente pentru a discerne informatiile de pe internet, mai ales legate de controller. In principiu pare simplu, dar in realitate sunt 1000 probleme mici.
Puteti sa ma ajutati?
Horia Cristian
Pin my tail and call me a doynek, that really helped.
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Hi On 45Kw motor build you said 14 in parallel 0.5mm wire what was the length of them please, what size the magnets or do you have drgs for motor parts.
Also how much difference is there in ESC for DC motors and AC 3phase
THanks
Phil
Hi over the last 6 months we have spent 600nz dollars on trying to get you circuit for the brushless motor to work many circuit boards have been etched and built
The mc33035 with Ir2103 and 12×12 voltage converter
the mosfet are nchannel Ir1405n 55v 169A
one for each high side and one for each low side (6 in all)
we have protected the mosfets with a diode drain to source
ON the bench the controller works ok you can stall the motor let it go and in runs with out problems
The motors are cyclon 500watt and under load draw 20Amps on a push bike this was tested with a bought controller by the person who gave us the motors.
Once the motor is coupled to a push bike it runs once then will not run again
ON checking it all ways takes out (destroys ) one or two drivers
Thanks Keith
I may have put wrong email address over last 6 months etc
Hi,
please contact me as soon as possible.
with best regards
A. HAMID
Hi Iulian,
I sent mail to you
Please send me a feedback when you read it
best regards
william
Am vrea sa aflu model de senzor hall CU ce numar ca sa pot procura si eu. Si un controler de care marca la volumul de 67 KW poti sami comunici
dotim un numar de contact prin telefon
Ma intereseaza un controller pentru un motor cu perii (carbuni), maxim 80V/300A. Deasemenea, ma intereseaza si o pedala. Pot folosi una de la un BMW diesel (Throttle by wire) ?
Preturi si termene de realizare/livrare.
Va rog sa-mi trimiteti un nr de telefon pe email.
Imi pare rau ca ai scos de pe site constructia motorului de 45kw. Poti sa repui postarile?
Multumesc frumos!
Salut, la comanda faci motoare de acest gen? Sunt interesat de un motor.
dear iulian
i have project in london UK and was very much interested in talking to yourself regarding some of your work and posible cooperation. pleas contact me
Amigo Lulian, the 45 KW brushless motor, can serve me as an electric generator ?, with 220V output of 50 HZ and 60 HZ, as much as three-phase or moniphasic ?.
This engine would run continuously for a long time, it would not heat up ?. How much battery you need to start, the idea is to generate your electricity and be autonomous.
regards
Salut domnu Iulian.
Am văzut că faceți motoare brushless outrunner frumoase si cu eficiență bună. As vrea sa stiu daca construiți si motoare inrunner ? Deoarece eu produc edf rc in carbon si mar interesa motoare facute pe masura…. !
Hi Iulian,
This is Kushal Kholapurkar from Nagpur India.
We are working on electric two wheeler project.
We need BLDC Motor Controller design with prototype for 72V, 3KW & 72V, 5KW system. Also we want to incorporate WIFI DIRECT module in drive to control from Mobile app.
Also we need Battery charger design with prototype for Li ion battery bank of 72V, 48Ah.
We Need Battery management System design with prototype for 72V, 48Ah.
In this battery Bank we have 2 modules of 72V, 24Ah each inter connected.
We are using SAMSUNG 18650 cells, 20 Series and 8 parallel configuration in each 72V, 24Ah module.
We request you to kindly give us best possible quote for design transfer, prototypes and Technical support for the above mentioned project
Awaiting your early reply,
Thanks & With Best Regards,
Kushal Kholapurkar
Nagpur, Maharashtra, India
+91-7798969911 (Whatsapp)
Hi Iulian,
Iv sent you an email about your motors very interested in what you have managed to build and interested to chat more about your projects.
I want to talk with you personally regarding Motor for Super Bike
Pls can you give me your contact details or WhatsApp or mail so I can contact you for further talks
Reply as soon as possible.
Pls can you give me your contact details or WhatsApp or mail so I can contact you for further talks
Reply as soon as possible.
https://www.masinaelectrica.com/new-35kw-outrunner-motor/
hi I would like information for this type of engines:
are they single-phase or three-phase?
how much current do they absorb?
which counter serves kw?
how many laps can they get?
can they be connected to an incoder to follow the siri transmitted by another instrument?
for the purchase of two engines which is the price?
thank you
Hi, I am building a VTOL and would like approximate weight info on your 35KW continuous, BLDC motor. It will need high quality axial bearings and sprocket . It will be used for power assistance to engine and one motor for back up power. Thank you
Hello Berca Iulian,
i am intersted in your Brushless outrunner! Please contact me and send me your Phone number please.
Best from Berlin Germany
Thilo
Îmi plac preocupările dumneavoastră. Mă interesează motorul de dronă.
Succes!
good morning,
I wrote it privately about a working partnership.
thanks for your response !!!
I am electrical engineering graduate from COEP Pune and worked with GE USA in magnet manufacturing MN Then have set up Thick film Hybrid plant in Pune.Was running a Power Electronic factory.We successfully designed Power SMD on on CuAl PCB to manage heat to offer very reliable long life controller.
I am a project consultant and can facilitate all aspects of project including financial and equity investment.
If interested please email me and send me you contact details.
Sudhir Wandrekar
Bonjour
Combein de rpm pour le moteur 35kw que vous proposer
Ou peux on se fournir un esc pour se moteur enfin un qui puise développer 200A
24 VOLT 15 KW. DENİZ ORTAMINDA KULLANACAĞIM BLDC MOTORİÇİN PROJELENDİRME VE BİR ÖRNEK YAPABİLİRMİSİNİZ. MALİYETİ NEDİR?
Hello
I wrote an email about cooperation.
Thank you for your response !!!
Salutare,
Kit complet conversie pentru un BMW e46 sau e90, la ce pret ajunge ?
Salut. Nu vand asa ceva
Hi, Iulian!
I’m interested in buying this motor kit.
https://www.masinaelectrica.com/open-source-60kw-motor-high-rpm-version-2018-in-construction/
Can you contact me to clarify the details.
Just a quick question:
Have you considered building the 35kw brushless motor using halbach array?
And in your controller, using snubber non disapative circuits to recover and use fly back wattage?
how much in american dollars does the 35kw pmg cost me to have it built & shipped to my home in Independence, Virginia , because im definitely interested in your work
I wanted to know if you can make a 50kw brushless electric motor and how much would it cost ? Thank you very much for your informative youtube videos
Hello, I live in mexico, iam going to converter a electri c car
if you can to help me iam going to comunicate whit
you
i speak spanish so need to practice the english
congratulation for your job
Hi, i would like to know how many turns do you have on the 45 kw motor per slot? Great website and awesome builds.
Hi
I have made some donation last year. Can you make two 10 Kw motors with drives? I can collect
Hi Iulian,
I sent you an email a few days ago – I’m developing a lightweight,low cost electric car and would like to ask if you are still working on motor design/development? I am impressed by your motors on youtube and would like to explore the possibility of a custom motor.
Many thanks, Mark
Hi sir,
We need 6 Kw Bldc motor and 6 kw PMSM motor for Electric vehicle. Can you produce these small kw motors, if yes then can u send me a brochure of that motors.
I sent u my email id and i am awaiting to your early reply.
With best regards.
Whats the price for your 45kw motors
Drop me a line via email about your motors.
Quite interested in getting a price on a marine application/solution.
Hi sir,
Good day.Hope everything going well there.
This is Kate.Our company is the leading producer of shaft coupling for motors.
May I know if you have any request for the couplings?
If yes,please write to me: whatsapp:86-15069159203
Warm Regards,
Kate
Hi berca,
My name is Michael I sent you an email this morning with a message about the innovation I have designed regarding the marriage between brushed & brushless dc motors, I hope you have read this and will in your own time respond as it’s not only ground breaking but I’d also like you and your team to help get this prototyped with your names on the patents too, michaelm1312515@gmail.com +447979840314
What’s the price for a 45 KW motor in a 72 kw motor
And the ESC controller he built those also
hello berca, i want a 5 kw generator for windmill. high eff, light wt, weather sealed. low rpm about 200 to 300 rpm , high torque, i would like to sit down with u and work out. thx.
Good morning I’m a student in eng. electric and my graduation project and exactly a dc bus motor can send me more details of your project
thankful
Dear Sir/Mam,
Mayur here from Nasik, India, I’m pursuing my bachelor in Electrical Engineering ,as I’m having my last year project on BLDC motor and I watched your YouTube channel ,so in this concern I need to talk with you on WhatsApp or the way which you prefer.
My WhatsApp number is +918793844629
Waiting for your response.
Good evening, I was just visiting your website and filled out your feedback form. The “contact us” page on your site sends you these messages to your email account which is why you’re reading my message right now correct? That’s the most important accomplishment with any type of online ad, getting people to actually READ your ad and that’s exactly what I just accomplished with you! If you have an advertisement you would like to blast out to thousands of websites via their contact forms in the US or to any country worldwide send me a quick note now, I can even focus on particular niches and my costs are super reasonable. Send a message to: harry2947har@gmail.com
if you willing to cooperate in the brush less motor please contact me
mohamed eissa
email :free66moh66@yahoo.com
Hallo Iulian
Astäzi cäutind un encoder pentru un Permanent Magnet Motor,am dat de siteul täu,si lam gäsit foarte interesant.
Eu sint electrician ,si in Rominia am bobinat motare,dar din päcate nici unul cu encoder, si nici nam stiut ca este asa ceva.
De 32 ani sint in germania ,si acum mam lovit de aceasta problemä.
Am citit la tine ca tu faci si encoder pentru motoarele tale,si mam gindit sa te intreb ,poate stii oun siteu unde sa inteleg si eu cum si ce trebuie sa aleg un encoder pentru un motor.
Cu Stima
Peter
Hello Julian, I had been following you for some time now. Great work! Have a small project, could you give the cost of each of your motor. looking for 48 VDC motor.
best regards
James
Do U sell your brushless DC Motors and if so , How much would your 50kW motor cost?
Hi my name is Theodoro I’m 15, and I am interested in one electrical motor for one diy motorcycle I’m thinking in 40kw I would like to know how much would cost
Please contact me in e mail
DO U HAVE A PRICING LIST FOR YOUR ELECTRIC MOTORS
Estou montando uma empresa espacial privada no Brasil gostaria da sua parceria ?
good article,good blog. it can help more people, it can help me, too.
i like Berca Iulian
thank you, i like your, i like yur article.
it can help me
you are great
i like your article, it is very good, i like them
Hello Julian!
I sent several requests to the email address listed above but received no response. Tell me how to contact you to implement a project to develop a brushless motor according to our requirements?
My email: burtovoy84@mail.ru
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Hi. I appreciate your article & m interested to know more about Low RPM BLDC – High efficiency electric generator motors. Shall appreciate if provided some brochures & Catalogs for referal studies. Waiting for the quick response.
Are you building and sell any of your motor and if so what’ the cost
Hi Iulian,
It is now March 2021 and i was wondering about the present status of your open source projects documentation’s availability. I hope the pandemic hasn’t affected you. Cheers from California.
Hi Iulian, would like to know when you are ready to go into production, would be interested in talking about a shared venture in South Africa.
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I’m looking for a Motor designer. Please email me. I would like to discuss making a 6 Pole IPMSynRM
It needs to generate 10,000 rpm at 48V and 200A
Hi,
Will you like to join hands with me on a Magnetic Battery product?
Best,
Sunil
HI,
Great job. I’m trying to reach for a motor project. Can you please contact me for discussing please?
Many thanks.
Regards.
Filipe
Hello,
Wondering if you accepted guest posts on your site. Also would you be willing to insert links in existing posts?
How much would you charge for this?
Justin
Hi,
I will glad to know more information about BLDC SCH for 50A.
what is your phone and when to call?
BR,
Ilan
Hi,
I will glad to know more information about BLDC SCH for 50A.
BR,
Ilan
Hi I am interested in your concept..Do you need an engine ?? So what does your engine cost .And where can I buy ???
sir,iam following your vedios .they are very interesting and informative.iam searching for bldc motor controller complete industrial circuit design for 48v,42amps,3000rpm.can you please provide the circuit.
I want to build a 5 phase PMSM, can you please help me
Hi Iulian
First I must congratulate on your hard work and very succefull motor/ Controller project.
I like in the UK and I’ve been interested on the subject of dynamic balancing.
I like your methode and equipment used for balcing a motor rotor, do you thing this same settup can be used for balancing car turbo chargers ? I guess what im really asking is whether its sensitive enough to balance such a small assembly (approx 300Grams )
you don’t have a lower capacity BLDC like 10kW running at 6000-9000rpm with permanent Magnet too.
The company I’m working for could ve very interested in buying one